>> reporter: the missionaries work in pairs. why do you keep these two young men together? they can't split apart except when they go to the bathroom. >> it's just for safety's sake. somebody didn't wave a magic wand and take away all the dumb. once in awhile, they make bad choices. when you are with a companion, it's harder to make really bad choices. >> what do you think, skip? >> reporter: the rules are strict. no el the vision, no personal phone calls, no coffee or tea. elder dustin looks nothing like his old i.d. photo and they dress up even in the heat. >> we always wake up, try to be up by, before 6:30. >> in the name of jesus christ, amen. >> reporter: by evening, they are ready for a home-cooked meal at the home of a browns, a family of local mormons, once converts themselves. they have gathered to welcome newcomer gloria adamson to the table. is it likely you are going to be converted? >> me and god are tight. right now, the way i am.